offer vs regret

offer

verb
  • To place at someone’s disposal; to present (something) to be either accepted or turned down. 

  • To present in words; to proffer; to make a proposal of; to suggest. 

  • To put in opposition to; to manifest in an offensive way; to threaten. 

  • To happen, to present itself. 

  • To place (something) in a position where it can be added to an existing mechanical assembly. 

  • To propose or express one's willingness (to do something). 

  • To present (something) to God or gods as a gesture of worship, or for a sacrifice. 

  • To bid, as a price, reward, or wages. 

noun
  • An invitation to enter into a binding contract communicated to another party which contains terms sufficiently definite to create an enforceable contract if the other party accepts the invitation. 

  • Something put forth, bid, proffered or tendered. 

  • A proposal that has been made. 

regret

verb
  • To feel sorry about (a thing that has or has not happened), afterthink: to wish that a thing had not happened, that something else had happened instead. 

  • To feel sorry about (any thing). 

noun
  • Emotional pain on account of something done or experienced in the past, with a wish that it had been different; a looking back with dissatisfaction or with longing. 

  • The amount of avoidable loss that results from choosing the wrong action. 

How often have the words offer and regret occurred in a corpus of books? (source: Google Ngram Viewer )